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What is red tide?

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in Biology – Class 11 by (272k points)
What is red tide?

(a) Accumulation of cell wall deposits of red algae is called red tide

(b) Accumulation of red blood cells in water

(c) Coloration of water due to rapid multiplication of red dianoflagellates

(d) Spread of chrysophytes due to rapid reproduction

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I want to ask this question from Biological Classification topic in division Biological Classification of Biology – Class 11

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Correct choice is (c) Coloration of water due to rapid multiplication of red dianoflagellates

Explanation: Red tide is the coloration of water due to very rapid multiplication of red dianoflagellates. Chemicals released due to this rapid growth are harmful for aquatic life.

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